WorksheetsUnit 1 Review: Matter and Energy in Living Systems
Total questions: 76
Worksheet time: 3620secs
Producers in water ecosystems use CO2 dissolved in water for which process?
photosynthesis
cellular respiration
What are the inputs of photosynthesis?
glucose sugar and O2
CO2 , H20 and sunlight
What are the outputs of cell respiration?
CO2 and H20
Glucose and O2
What is the ultimate source of all energy?
consumers
producers
autotrophs
sun
What organelle is the site of photosynthesis?
mitochondria
chloroplast
What energy source drives photosynthesis?
glucose
sunlight
sucrose
ATP
How are cell respiration and photosynthesis connected?
Both biological processes use the same inputs.
Both biological processes produce the outputs.
Inputs of one process are the outputs of the other process.
Cell respiration occurs within what organelle?
nucleus
chloroplast
golgi body
mitochondria
The outputs of cell respiration are CO2, H2O and ______.
glucose
sucrose
sunlight
energy
Algae is an example of a _______________________.
producer
consumer
decomposer
If a tree decomposes, CO2 levels will _________ in the atmosphere.
increase
decrease
stay the same
If companies or vehicles burn forms of fossil fuels, carbon dioxide levels in the environment
increase
decrease
stay the same
The following diagram represents the pyramid of __________.
biomass
energy
numbers
_____________ are at the base of all ecosystems.
Consumers
Producers
Decomposers
Carbon dioxide, water and oxygen are
energy in an ecosystem.
matter in an ecosystem.
anything that has mass and takes up space
matter
molecule
energy
atoms
the ability to cause change
atoms
molecules
energy
chemical reaction
organisms that breaks down the remains of dead organisms
consumers
decomposers
producers
scavengers
process by which one or more substances change to produce one or more different substances
atoms
molecules
chemical reaction
compound
A diagram that shows the feeding relationships between organisms in an ecosystem
producers
food chain
consumers
food web
Pick the true statement about the picture.
the rabbit gets energy and matter from other living organisms
the rabbit gets energy and matter from nonliving organisms
What is matter?
an overripe tomato
something that has volume
something that has weight
has mass and volume
Which of the statements below are true? Select all that apply.
The tree uses photosynthesis to get energy from food molecules; the elephant uses cellular respiration to get energy from food molecules.
The tree and the elephant both use cellular respiration to get energy from food molecules.
Sunlight is the ultimate source of energy for both the tree and the elephant.
The tree and the elephant both use photosynthesis to make food molecules.
Which of the statements are true about the two chemical reactions? Select all that apply.
Equation A summarizes photosynthesis, and Equation B summarizes cellular respiration.
Equation A summarizes cellular respiration, and Equation B summarizes photosynthesis.
Both chemical reactions produce oxygen and energy.
The products of Equation A are the reactants for Equation B.
Animals that eat only meat, such as dolphins, do not get much sugar (carbohydrate) from their diets. Select the statement below that best explains how a dolphin gets the energy it needs from its food.
The dolphin does not use cellular respiration to get energy from food.
The dolphin is not very active so it does not need a lot of energy to function.
The dolphin’s body is able to break down other carbon-based molecules, such as proteins and fats, to use as an energy source for cellular respiration.
The dolphin gets the energy it needs directly from sunlight.
Which of the following are true statements about a chemical equation? Select all that apply.
A chemical equation models a chemical reaction.
Numbers are used in a chemical equation to show which side of the equation has more molecules.
A chemical equation uses symbols to show the relationship between parts of a chemical reaction.
The arrow in a chemical equation shows that one side of the equation has more atoms than the other.
a series of chemical reactions in which the cells of producers—including plants, algae, and some bacteria—use energy from the sun to make carbon-based food molecules, called sugars.
Photosynthesis
Cellular Respiration
chloroplasts
mitochondria
Cell structures that capture light energy from the sun.
chloroplasts
mitochondria
photosynthesis
cellular respiration
a process that uses oxygen to release the energy stored in food molecules.
chloroplasts
mitochondria
photosynthesis
cellular respiration
A membrane-bound organelles in plant and animal cells, where cellular respiration takes place
chloroplasts
mitochondria
photosynthesis
cellular respiration
Which statements identify possible advantages of algal biofuel? Select all that apply.
Algae grow quickly and are a renewable source of energy.
Algae can be grown in water sources that cannot be used for drinking or agriculture.
Algal biofuel is not established on a large scale, so farming and fuel production methods cannot meet current global needs for energy.
Algae can be supplied with the carbon dioxide they need to grow using emissions from power plants and other industrial sources.
building blocks of living things
carbon based molecules
mitochondria
chloroplasts
Why is the ability to move important to animals?
It helps them find food
It helps them stay warm
It helps them obtain oxygen
It helps them differentiate cells.
What form of energy is stored in food?
heat
light energy
energy motion
energy in molecules
How do organisms get the energy they need?
Plants get energy from fertilizers. Animals get energy from water.
Plants get energy from the soil. Animals get energy directly form sunlight.
Plants do not need energy because they do not move. Animals get energy from food.
Plants use energy from sunlight to make sugar molecules. Animals get energy from eating other organisms.
Dylan drew a diagram showing that certain organisms eat other organisms. The diagram included a caption stating that the amount of available energy decreases with each organism that is eaten. How is this explained by the law of conservation of energy?
Living things change energy into matter
Some of the energy is used for life processes
Some energy disappears when living things are eaten
Only small amounts of energy can be destroyed at a time.
Some consumers, such as many flying insects, need large amounts of energy to grow and move from one place to another. How do consumers get energy to function?
Consumers obtain all of their energy by eating other organisms.
Consumers obtain some energy from other organisms and some from sunlight.
Consumers obtain most of their energy absorbing it from their environments
Consumers convert light energy from the sun into chemical energy stored in food.
What starting materials do plants use to make food?
soil and water
water and oxygen
carbon dioxide and water
carbonic acid and nitrogen
What is the source of energy for plant and animal cells?
soil
oxygen
consumers
carbon-based molecules
What are the products of photosynthesis?
glucose and oxygen
carbon dioxide and water
chlorophyll, protein, and DNA
plant stems, leaves, and root systems
Animals breathe in oxygen and breathe out carbon dioxide. Where does the carbon dioxide
It is produced during photosynthesis
It is a product of cellular respiration
It is needed to create energy for cells
It is created when plants are consumed
What happens to glucose inside a cell during cellular respiration?
The cell use carbonic acid to break down glucose
The cell uses water to break down glucose
The cell uses oxygen to break down glucose
The cell uses nitrogen to break down glucose
Why are animals important to the process of photosynthesis?
Animals eat plants, which makes space for more plants to grow.
Animals digest food, which provides the starting materials for photosynthesis
Animals release carbon dioxide, which provides the starting materials for photosynthesis
D. Animals produce energy in the form of heat, which is necessary for photosynthesis to occur.
Producers in water ecosystems use CO2 dissolved in water for which process?
photosynthesis
cellular respiration
What are the inputs of photosynthesis?
glucose sugar and O2
CO2 , H20 and sunlight
What are the outputs of cell respiration?
CO2 and H20
Glucose and O2
What is the ultimate source of all energy?
consumers
producers
autotrophs
sun
What organelle is the site of photosynthesis?
mitochondria
chloroplast
Cell respiration occurs within what organelle?
nucleus
chloroplast
golgi body
mitochondria
If a tree decomposes, CO2 levels will _________ in the atmosphere.
increase
decrease
stay the same
If companies or vehicles burn forms of fossil fuels, carbon dioxide levels in the environment
increase
decrease
stay the same
The following diagram represents the pyramid of __________.
biomass
energy
numbers
_____________ are at the base of all ecosystems.
Consumers
Producers
Decomposers
Carbon dioxide, water and oxygen are
energy in an ecosystem.
matter in an ecosystem.
the ability to cause change
atoms
molecules
energy
chemical reaction
What cycle is shown in the diagram?
The Life Cycle
The Nitrogen Cycle
The Carbon Cycle
The Water Cycle
How do decomposers help the carbon cycle?
Carbon is leaked into the atmosphere when fossil fuels are burned.
Dead, organic matter is broken down and release carbon dioxide into the air
Volcanoes and fires release large amounts of carbon dioxide.
Decaying organisms are needed for carbon to be released
Which organelle is responsible making food (Glucose) using sunlight?
Cell Membrane
Nucleus
Chloroplast
Mitochondria
Which of the following is the correct equation for PHOTOSYNTHESIS?
light + carbon dioxide + water --> glucose + oxygen
carbon dioxide + sugar + water --> oxygen + light
oxygen + light + water --> carbon dioxide + sugar
carbon dioxide + oxygen + water --> Light+ Sugar
Which of the following organelles is responsible for cellular respiration?
Mitochondria
Nucleus
Endoplasmic Reticulum
Ribosome
